From b56f549cf41bad55e56ec4ad8a0052be13d0de5e Mon Sep 17 00:00:00 2001
From: Roy Qu <royqh1979@gmail.com>
Date: Tue, 15 Mar 2022 12:29:56 +0800
Subject: [PATCH] - enhancement: close editor when middle button clicked on
 it's title tab

---
 NEWS.md                                  |  1 +
 RedPandaIDE/mainwindow.cpp               |  6 ++++++
 RedPandaIDE/widgets/editorstabwidget.cpp | 10 ++++++++++
 RedPandaIDE/widgets/editorstabwidget.h   |  6 ++++++
 4 files changed, 23 insertions(+)

diff --git a/NEWS.md b/NEWS.md
index 61e860fe..4703a440 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -19,6 +19,7 @@ Red Panda C++ Version 1.0.0
   - fix: when no selection, copy/cut should auto select whole line with the line break
   - fix: redo cut with no selection while make whole line selected
   - fix: correctly reset caret when redo cut with no selection
+  - enhancement: close editor when middle button clicked on it's title tab
 
 Red Panda C++ Version 0.14.5
   - fix: the "gnu c++ 20" option in compiler set options is wrong
diff --git a/RedPandaIDE/mainwindow.cpp b/RedPandaIDE/mainwindow.cpp
index 00743edd..2d7a6f6f 100644
--- a/RedPandaIDE/mainwindow.cpp
+++ b/RedPandaIDE/mainwindow.cpp
@@ -335,6 +335,12 @@ MainWindow::MainWindow(QWidget *parent)
 
     ui->actionEGE_Manual->setVisible(pSettings->environment().language()=="zh_CN");
 
+    connect(ui->EditorTabsLeft, &EditorsTabWidget::middleButtonClicked,
+            this, &MainWindow::on_EditorTabsLeft_tabCloseRequested);
+
+    connect(ui->EditorTabsRight, &EditorsTabWidget::middleButtonClicked,
+            this, &MainWindow::on_EditorTabsRight_tabCloseRequested);
+
     //git menu
     connect(ui->menuGit, &QMenu::aboutToShow,
             this, &MainWindow::updateVCSActions);
diff --git a/RedPandaIDE/widgets/editorstabwidget.cpp b/RedPandaIDE/widgets/editorstabwidget.cpp
index 05add55c..f1aed1fd 100644
--- a/RedPandaIDE/widgets/editorstabwidget.cpp
+++ b/RedPandaIDE/widgets/editorstabwidget.cpp
@@ -55,3 +55,13 @@ void EditorsTabWidget::dragEnterEvent(QDragEnterEvent *event)
         event->acceptProposedAction();
     }
 }
+
+void EditorsTabWidget::mousePressEvent(QMouseEvent *event)
+{
+    if (event->buttons() == Qt::MiddleButton) {
+        int idx = this->tabBar()->tabAt(event->pos());
+        if (idx>=0)
+            emit middleButtonClicked(idx);
+    }
+    QTabWidget::mousePressEvent(event);
+}
diff --git a/RedPandaIDE/widgets/editorstabwidget.h b/RedPandaIDE/widgets/editorstabwidget.h
index 0ec74eaa..463af9ad 100644
--- a/RedPandaIDE/widgets/editorstabwidget.h
+++ b/RedPandaIDE/widgets/editorstabwidget.h
@@ -28,10 +28,16 @@ class EditorsTabWidget : public QTabWidget
 public:
     explicit EditorsTabWidget(QWidget* parent=nullptr);
 
+signals:
+    void middleButtonClicked(int index);
     // QWidget interface
 protected:
     void dropEvent(QDropEvent *event) override;
     void dragEnterEvent(QDragEnterEvent *event) override;
+
+    // QWidget interface
+protected:
+    void mousePressEvent(QMouseEvent *event) override;
 };
 
 #endif // EDITORSTABWIDGET_H